Serbia has strongly protested to Croatia against the unveiling of a statue honoring an independence fighter who assassinated a Yugoslav ambassador to Sweden in 1971.

The monument for Miro Baresic was unveiled in a seaside Croatian village on Sunday with two Croatian government ministers and numerous prominent public figures attending.

Baresic shot Ambassador Vladimir Rolovic inside the Yugoslav embassy in Stockholm. He was convicted and sentenced to life in prison by a Swedish court.

But another group of Croatian far-right radicals hijacked a passenger plane in 1972, forcing his release. He eventually found refuge in Paraguay.

Baresic, a declared member of the pro-Nazi Ustasha movement, was killed in 1991 in fighting for Croatian independence from Serb-led Yugoslavia.